gubbertsen.dk

📜 Historical scan 2026-06-26 23:51:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gubbertsen.dk is a .dk domain served by 2 nameservers (curt.ns.cloudflare.com, kristina.ns.cloudflare.com). It was registered on 31 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 435ms

Nameserver	IP addresses	PTR	ASN / ISP
curt.ns.cloudflare.com	108.162.193.94 172.64.33.94 173.245.59.94 2606:4700:58::adf5:3b5e 2803:f800:50::6ca2:c15e 2a06:98c1:50::ac40:215e	curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kristina.ns.cloudflare.com	108.162.194.125 162.159.38.125 172.64.34.125 2606:4700:50::a29f:267d 2803:f800:50::6ca2:c27d 2a06:98c1:50::ac40:227d	kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com kristina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 196ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 600ms

TXT Record
protonmail-verification=c6d245936cda5b200d3fc300d79b9e2fb0b8442e
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (gubbertsen.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.gubbertsen.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 15:58:21

www	NXDOMAIN
www vs bare domain	www does not resolve gubbertsen.dk: 159.195.77.63 (AS197540) www.gubbertsen.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 192ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

517ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

218ms

Field	Value
Serial	2404205867
Primary NS (MNAME)	curt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 18:00:36

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-03-31
Expires	2027-03-30 (158d)

📋 WHOIS#

⏱️ Lookup Timing#

435ms

193ms

196ms

AAAA

232ms

TXT

600ms

CAA

225ms

HTTPS

224ms

TLSA

192ms

SOA

218ms

MTA-STS

237ms

DNSSEC

517ms

SRV

248ms

Total

2003ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 22:32:02	659ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-01 22:31:05	1217ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 22:18:47	691ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-10 11:55:04	4848ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-07 21:53:59	10275ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-05 21:23:42	2214ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-02 02:59:27	1411ms	2 NS 0 A 2 MX	🔓 Insecure
2026-07-12 12:49:46	1320ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-26 23:51:26 shown	2003ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-21 15:36:26	644ms	2 NS 0 A 2 MX	🔓 Insecure
2026-06-17 10:13:37	4435ms	2 NS 0 A 2 MX	🔓 Insecure